18166342473

Names of 18166342473

• Cardinal: 18166342473 can be written as Eighteen billion, one hundred sixty-six million, three hundred forty-two thousand, four hundred seventy-three.

Scientific notation

• Scientific notation: 1.8166342473 × 10¹⁰

Factors of 18166342473

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 282

Divisors of 18166342473

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 9 27 37 61 81 111 181 183 243 333 543 549 729 999 1629 1647 2257 2997 3721 4887 4941 6697 6771 8991 11041 11163 14661 14823 20091 20313 26973 33123 33489 43983 44469 60273 60939 99369 100467 131949 137677 180819 182817 298107 301401 408517 413031 542457 548451 673501 894321 904203 1225551 1239093 1627371 1645353 2020503 2682963 2712609 3676653 3717279 4882113 6061509 8048889 11029959 11151837 18184527 24919537 33089877 33455511 54553581 74758611 99269631 100366533 163660743 224275833 297808893 490982229 672827499 2018482497 6055447491 18166342473
• Sum of all divisors σ(n): 28596408204
• Sum of proper divisors (its aliquot sum) s(n): 10430065731
• 18166342473 is a deficient number, because the sum of its proper divisors (10430065731) is less than itself. Its deficiency is 7736276742

Bases of 18166342473

• Binary: 10000111010110011000110001101001001₂
• Hexadecimal: 0x43ACC6349
• Base-36: 8CFRRK9

Squares and roots of 18166342473

• 18166342473 squared (18166342473²) is 330015998846323755729
• 18166342473 cubed (18166342473³) is 5995183656611490243608609777817
• The square root of 18166342473 is 134782.5748121767
• The cube root of 18166342473 is 2628.7896271405

Scales and comparisons

• 18,166,342,473 seconds is equal to 577 years, 32 weeks, 6 days, 14 hours, 14 minutes, 33 seconds.
• To count from 1 to 18,166,342,473 would take you about one thousand, one hundred fifty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18166342473 cubic inches would be around 219.1 feet tall.

Recreational maths with 18166342473

• 18166342473 backwards is 37424366181
• The number of decimal digits it has is: 11
• The sum of 18166342473's digits is 45
• More coming soon!